A pair of giant legs paying homage to a poem, a king, and it would seem, socks.

These half-buried combine harvesters just off Route 66 are an homage to the Cadillac Ranch.

The Grand Canyon of Texas.

A wacky, UFO-shaped house in a suburban neighborhood.

For over 100 years, this Indiana town has had a tree growing out the top of the local courthouse.

This former office building has been transformed into an immersive music venue and art space.

The largest historic preservation organization in the United States.

Nature and art meet in this curvy creation

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

Rippling sand dunes frozen in the Arizona rock.

A psychedelic labyrinth on the San Francisco bay.

A historic hotel library in Indiana hides more than a few secrets on its shelves.

One man's vision and a labor of love of many.

Symbolic attempt to overcome the issues of life.

The only freestanding table rock formation east of the Mississippi.

The longest navigable underground river in the United States is home to countless blind and albino animals.

Ornate limestone building now filled with geologic specimens, and more.

Tucked away in the forests of Indiana resides an abandoned waterslide that is now a popular graffiti haunt.

A chapel built by Italian POWs during World War II tells a forgotten tale of the war on the home front.

This mysterious hill seems to pull objects uphill.

A giant concrete egg marks this Indiana town as the "Egg Basket of the Midwest."

Ruined pieces of stone and a swimming pool are all that remain of an amusement park swept away by a flood.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

Dubbed the "Blade Runner dragon," this buzzing neon sign is a beloved local icon.